Add 28/8 and 56/70
1st number: 3 4/8, 2nd number: 56/70
28/8 + 56/70 is 43/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
28/8 = 28 × 35/8 × 35 = 980/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
56/70 = 56 × 4/70 × 4 = 224/280 - Add the two like fractions:
980/280 + 224/280 = 980 + 224/280 = 1204/280 - 1204/280 simplified gives 43/10
- So, 28/8 + 56/70 = 43/10
In mixed form: 43/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+56/70 28/16+56/70 84/8+56/70 28/24+56/70 28/40+56/70 28/56+56/70